Balance the following equation. ____ C10H12 + ____ O2 ____ H2O + ____ CO2
Fill in the blank(s) with correct word
Question 2
Give the ground state electron configuration for Mg2+.
A) 1s2 2s2 2p6 3s2
B) 1s2 2s2 2p6
C) 1s2 2s2 2p6 3s2 3p2
D) 1s2 2s2 2p6 3s2 3p6
E) 1s2 2s2 2p6 3s1
Question 3
How many significant figures are there in the answer to the following problem? (9.992 3.200 ) + 0.610 = ?
A) one
B) two
C) three
D) four
Question 4
Which element has the chemical symbol, Ru?
A) rubidium
B) ruthenium
C) rutherfordium
D) rhodium